if (!Forguncy.Page.ms_x || !Forguncy.Page.ms_y) ｛
Forguncy.Page.ms_x = 1; Forguncy.Page.ms_y = 1;
document.addEventListener('click', function (event) ｛
Forguncy.Page.ms_x = event.clientX
Forguncy.Page.ms_y = event.clientY
｝, true);
｝